Re: [RFC PATCH v2 13/22] i386/xen: implement HYPERVISOR_memory_op

[David Woodhouse]

On Mon, 2022-12-12 at 14:38 +0000, Paul Durrant wrote:
> 
> > +            switch (xatp.space) {
> > +            case XENMAPSPACE_shared_info:
> > +                break;
> > +            default:
> > +                err = -ENOSYS;
> > +                break;
> 
> Don't you want to return false here?

It doesn't make a lot of difference right now. Once we believe we've
implemented everything a sane guest would use, then the distinction
between {true, -ENOSYS} and just returning false actually starts to
matter.

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